Dimensions : 60.7*19.9*11.3mm Description : 1.one to support dual-mode BIOS USBZIP and two USB hard disk 2.USB interface, without drives, a plug-and-play, hot-pluggable 3.The small size and extremely light weight, moisture-proof four seismic without Driver (except for Windows 98) 4.data encryption, disc can be divided into public data extract, encryption, segmentation arbitrary size 5.LCD by solar electricity, no replacement battery We also have UDP usb flash disk,diamod usb flash driver,credit card usb flash memory disk,Olympic usb disk,leather casing usb disk,gifts usb flash driver,lover usb flash disk rugby shaped usb disk,waterproof usb flash disk,bluetooth usb driver,lanyard usb disk,car shaped usb ,swivel usb,wooden usb flash disk,cartoon usb disk,metal usb,madera usb,jewellry usb,beef usb ,torch usb ,bottle openerusb,shield usb disk,fingerprint usb disk,braceler usb flash memory disk and so on! If you are interested in our products,you can contact me!